Refactor actions to be entities with components (#19900)

Content.Server/UserInterface/IntrinsicUISystem.cs

@@ -1,6 +1,6 @@
 using Content.Server.Actions;
 using Content.Shared.Actions;
-using JetBrains.Annotations;
+using Content.Shared.UserInterface;
 using Robust.Server.GameObjects;
 
 namespace Content.Server.UserInterface;
@@ -28,7 +28,7 @@ public sealed class IntrinsicUISystem : EntitySystem
 
         foreach (var entry in component.UIs)
         {
-            _actionsSystem.AddAction(uid, entry.ToggleAction, null, actions);
+            _actionsSystem.AddAction(uid, ref entry.ToggleActionEntity, entry.ToggleAction, null, actions);
         }
     }
 
@@ -68,13 +68,6 @@ public sealed class IntrinsicUISystem : EntitySystem
     }
 }
 
-[UsedImplicitly]
-public sealed partial class ToggleIntrinsicUIEvent : InstantActionEvent
-{
-    [ViewVariables]
-    public Enum? Key { get; set; }
-}
-
 // Competing with ActivatableUI for horrible event names.
 public sealed class IntrinsicUIOpenAttemptEvent : CancellableEntityEventArgs
 {